Base | Representation |
---|---|
bin | 11001000000011011… |
… | …11101011110011111 |
3 | 1021122122022122002222 |
4 | 30200031331132133 |
5 | 204443402314404 |
6 | 10100105335555 |
7 | 653460202364 |
oct | 144015753637 |
9 | 37578278088 |
10 | 13425432479 |
11 | 576a341148 |
12 | 27281975bb |
13 | 135c5792b4 |
14 | 91507046b |
15 | 53898adbe |
hex | 32037d79f |
13425432479 has 2 divisors, whose sum is σ = 13425432480. Its totient is φ = 13425432478.
The previous prime is 13425432473. The next prime is 13425432487. The reversal of 13425432479 is 97423452431.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (97423452431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13425432479 - 212 = 13425428383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13425432473) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712716239 + 6712716240.
It is an arithmetic number, because the mean of its divisors is an integer number (6712716240).
Almost surely, 213425432479 is an apocalyptic number.
13425432479 is a deficient number, since it is larger than the sum of its proper divisors (1).
13425432479 is an equidigital number, since it uses as much as digits as its factorization.
13425432479 is an evil number, because the sum of its binary digits is even.
The product of its digits is 725760, while the sum is 44.
The spelling of 13425432479 in words is "thirteen billion, four hundred twenty-five million, four hundred thirty-two thousand, four hundred seventy-nine".
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